Bolle Contour Safety Black Metal Frame Smoke ASAF Lens Contour eyewear features 2.2mm thick high impact polycarbonate lens, anti-fog/anti-scratch coated on 99.99-Percent UVA and UVB light absorption; optimal fit and comfort with non-slip temple tips High contour and dual lens with 180-Degree distortion-free viewing and superior optical quality Nickel free metal + TPE semi rimless non-conductive frame providing extensive eye coverage Available in silver metal frame and smoke lens